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United States Patent | 6,245,278 |
Lausenhammer ,   et al. | June 12, 2001 |
The injection nozzle includes a longitudinal flow channel, a plurality of angular channels extending from the longitudinal flow channel (1) in a first direction at an acute angle with respect to the longitudinal axis of the nozzle, and (2) in a second direction at an acute angle with respect to the first direction, an annular channel extending from the angular channels, and a passageway extending from the annular channel to the injection orifice, wherein the angular channels cause a swirling action in the annular channel to flush out resin from the annular channel.
Inventors: | Lausenhammer; Manfred (Konz, DE); Mai; Arnold (Irrel, DE); Schwarzkopf; Udo (Trierweiler-Udelfangen, DE); Gauss; Ralph (Luxembourg, DE) |
Assignee: | Husky Injection Molding Systems Ltd. (CA) |
Appl. No.: | 325070 |
Filed: | June 3, 1999 |
Current U.S. Class: | 264/328.1; 264/328.12; 264/328.14; 425/549; 425/568 |
Intern'l Class: | B29C 045/20 |
Field of Search: | 264/323.1,328.14,328.15,328.16,328.12,328.9 425/549,552,562,564,567,568 |
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